Danshen (Chinese medicinal herb) preparations for acute myocardial infarction

Wu T, Ni J, Wei J

Published Online:

January 21, 2009

Danshen - a Chinese herbal treatment - is widely used in China in addition to usual western forms of therapy in the treatment of acute myocardial infarction (AMI). However there is no strong evidence to support its use, and few rigorous studies have been conducted. Well designed and conducted randomised controlled trials are needed to provide adequate evidence of its role in the treatment of AMI.

Abstract (click to read)

Background:

Acute myocardial infarction (AMI) is the most important cause of morbidity from ischaemic heart disease, and is among the leading causes of death in the western world. Danshen, a Chinese herbal medicine, is widely used in China for treatment of several diseases, including AMI.

Objectives:

To assess the effects (both benefits and harms) of danshen preparations for AMI.

Search strategy:

We searched the Cochrane Central Register of Controlled Trials (CENTRAL) on The Cochrane Library (issue 4, 2006), MEDLINE (1966-2006), EMBASE (1980-2006), and the Chinese Biomedical Database (CBM) (1982-2006). We also handsearched 75 Chinese medical journals.

Selection criteria:

Randomised controlled trials (RCTs) lasting at least 7 days were sought. Since it seemed evident that few RCTs were available, we also considered other controlled studies.

Data collection and analysis:

Eligibility and trial quality were assessed by three reviewers.

Main results:

Six studies comprised of 2368 participants were included. Only one trial was judged to be a genuine RCT and showed no statistically significant difference in reduction of total mortality (Peto OR 0.55, 95% CI 0.23 to 1.32), but a quasi-RCT reported a reduced total mortality (Peto OR 0.42, 95% CI 0.23 to 0.77). Pooling these trials yielded an approximate halving of mortality in those patients treated with danshen preparations plus usual care compared with usual care alone (Peto OR 0.46, 95% CI 0.28 to 0.75).

Authors' conclusions:

The evidence to support use of danshen preparations is too weak to make any judgement about its effects. Evidence from RCTs is insufficient and of low quality. The safety of danshen preparations is unproven, although some adverse events have been reported. More evidence from high quality trials is needed to support the clinical use of danshen preparations.

This record should be cited as:

Wu T, Ni J, Wei J. Danshen (Chinese medicinal herb) preparations for acute myocardial infarction. Cochrane Database of Systematic Reviews 2008, Issue 2. Art. No.: CD004465. DOI: 10.1002/14651858.CD004465.pub2

Assessed as up to date:

February 14, 2008

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Primary Review Group:

Heart Group

Health topics:

Heart & circulation > Myocardial ischemia/coronary disease > Acute coronary syndrome: complementary & alternative therapy

Complementary & alternative medicine > Heart & circulation > Myocardial ischemia/coronary disease

Cochrane Summaries^beta

Independent high-quality evidence for health care decision making

Danshen (Chinese medicinal herb) preparations for acute myocardial infarction

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